Melt Chocolate chips and Butter in a double boiler or microwave
Take 2 Eggs yolks and 2 whole eggs in a container and beat well.
Add Icing Sugar in batches and beat well with the eggs
The mixture should be nice pale yellow in color and beat well till the volume of the mixture should double in size
Now, add the melted chocolate mixture in egg mixture and blend it well.
Add all purpose flour and mix well
Preheat the oven for 180 degree Celsius
Meanwhile, coat the ramekins with butter
After applying the butter coating, add some all purpose flour and coat the buttered ramekins
Add the chocolate lava cake batter to the Ramekins. Batter should be added till it reaches half of the Ramekin
Once the oven is preheated, place the Ramekins in the oven for 12 mins or so
Once the Lava cake is done, cool the ramekins
De-mold the cake from the ramekins and serve hot.